Let and be the distances of the object and the image from a lens of focal length . The correct graphical representation of and for a convex lens when , is [2025]

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Solution

Q.
Let $u$ and $v$ be the distances of the object and the image from a lens of focal length $f$ . The correct graphical representation of $u$ and $v$ for a convex lens when $| u | > f$ , is [2025]

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Ans.
(2)

Lens formula $\frac{1}{v} - \frac{1}{u} = \frac{1}{f}$

$\frac{1}{v} = \frac{1}{f} + \frac{1}{u}$

Since $| u | > f$

So, RHS is positive.

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